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/* Copyright © 2005-2008 Roger Leigh <rleigh@debian.org>
*
* schroot is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* schroot is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*
*********************************************************************/
#ifndef SBUILD_CHROOT_BTRFS_SNAPSHOT_H
#define SBUILD_CHROOT_BTRFS_SNAPSHOT_H
#include <sbuild/sbuild-chroot.h>
namespace sbuild
{
/**
* A chroot stored on an BTRFS logical volume (LV).
*
* A snapshot LV will be created and mounted on demand.
*/
class chroot_btrfs_snapshot : public chroot
{
protected:
/// The constructor.
chroot_btrfs_snapshot ();
/// The copy constructor.
chroot_btrfs_snapshot (const chroot_btrfs_snapshot& rhs);
friend class chroot;
public:
/// The destructor.
virtual ~chroot_btrfs_snapshot ();
virtual chroot::ptr
clone () const;
virtual chroot::ptr
clone_session (std::string const& session_id,
std::string const& alias,
std::string const& user,
bool root) const;
virtual chroot::ptr
clone_source () const;
/**
* Get the source subvolume path. This is used by "btrfs
* subvolume snapshot".
*
* @returns the source subvolume.
*/
std::string const&
get_source_subvolume () const;
/**
* Set the source subvolume path. This is used by "btrfs
* subvolume snapshot".
*
* @param source_subvolume the source subvolume.
*/
void
set_source_subvolume (std::string const& source_subvolume);
/**
* Get the snapshot directory.
*
* @returns the directory.
*/
std::string const&
get_snapshot_directory () const;
/**
* Set the snapshot directory.
*
* @param snapshot_directory the snapshot directory.
*/
void
set_snapshot_directory (std::string const& snapshot_directory);
/**
* Get the snapshot name. This is used by "btrfs subvolume
* snapshot", and is the full path to the snapshot.
*
* @returns the name.
*/
std::string const&
get_snapshot_name () const;
/**
* Set the snapshot name. This is used by "btrfs subvolume
* snapshot", and is the full path to the snapshot.
*
* @param snapshot_name the snapshot name.
*/
void
set_snapshot_name (std::string const& snapshot_name);
virtual std::string const&
get_chroot_type () const;
virtual std::string
get_path () const;
virtual void
setup_env (chroot const& chroot,
environment& env) const;
virtual session_flags
get_session_flags (chroot const& chroot) const;
protected:
virtual void
setup_lock (chroot::setup_type type,
bool lock,
int status);
virtual void
get_details (chroot const& chroot,
format_detail& detail) const;
virtual void
get_keyfile (chroot const& chroot,
keyfile& keyfile) const;
virtual void
set_keyfile (chroot& chroot,
keyfile const& keyfile,
string_list& used_keys);
private:
/// Btrfs source subvolume
std::string source_subvolume;
/// Btrfs snapshot path
std::string snapshot_directory;
/// Btrfs snapshot name
std::string snapshot_name;
};
}
#endif /* SBUILD_CHROOT_BTRFS_SNAPSHOT_H */
/*
* Local Variables:
* mode:C++
* End:
*/
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